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EOT 22GHz (25GHz) InGaAs光電探測器內置PIN光電二極管，通過光伏效應將光功率轉換成電流。當通過50歐姆電阻連接到示波器時，可以測量激光器的脈寬。當通過50歐姆電阻連接到光譜分析儀時，可以測量激光器的頻率響應。EOT 22GHz InGaAs光電探測器采用內置偏壓電源，鋰電池壽命很長。通過一根同軸電纜連接光電探測器的BNC輸入口，并通過50歐姆電阻連接示波器或光譜分析儀，就足以運行。
應用：
監視超快激光器的輸出
監視鎖模激光器的輸出
高重頻外差應用
時域與頻域響應測試
Specificationsa | 120-10140-0001 (ET-3600) | 120-10142-0001 (ET-3600F) |
Detector Material | InGaAs | InGaAs |
Rise Time/Fall Time | 16ps/16s | 16ps/16ps |
Responsivityb | >0.70A/W at 1300nm | >0.70A/W at 1300nm |
Power Supply | 3VDC | 3VDC |
Bandwidth | >22GHz | >22GHz |
Active Area Diameter | 20μm | 20μm |
Dark Current | <1nA | <1nA |
Acceptance Angle (1/2 angle) | 15° | N/A |
Noise Equivalent Powerc | 26pW/√Hz at 1300nm | 26pW/√Hz at 1300nm |
Maximum Linear CW Power | 10mW | 10mW |
Mounting (Tapped Holes) | 8-32 or M4 | 8-32 or M4 |
Output Connector | SMA | SMA |
Fiber Optic Connection | N/A | FC/UPC， SMF28e |
aAll specifications apply for a 50Ω termination unless otherwise noted.
bPhotodetectors have an internal 50Ω termination. Responsivity data applicable to diode only.
cNoise Equivalent Power (NEP) is determined via open circuit output.
